19513637

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5887963

約数列:

[1, 11, 13, 17, 23, 143, 187, 221, 253, 299, 349, 391, 2431, 3289, 3839, 4301, 4537, 5083, 5933, 8027, 49907, 55913, 65263, 77129, 88297, 104351, 136459, 848419, 1147861, 1501049, 1773967, 19513637]

約数ペア:

[(1, 19513637), (11, 1773967), (13, 1501049), (17, 1147861), (23, 848419), (143, 136459), (187, 104351), (221, 88297), (253, 77129), (299, 65263), (349, 55913), (391, 49907), (2431, 8027), (3289, 5933), (3839, 5083), (4301, 4537)]